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MiMo-V2.5-Pro vs Seed 2.1 Turbo

Seed 2.1 Turbo leads the LLM Stats Score 43.0 to 25.7.

Xiaomi · ByteDance · Updated for 2026

Which is better?

Seed 2.1 Turbo leads the overall LLM Stats Score 43.0 to 25.7, ranking #48 overall.

In the 3 individual benchmarks reported for both models, Seed 2.1 Turbo wins 2; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose MiMo-V2.5-Pro

  • you need open weights you can self-host or fine-tune

Choose Seed 2.1 Turbo

  • overall performance matters — it scores 43.0 and ranks #48 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 2 of 3 exact shared results
  • you want the most recent training data — it shipped Jun 2026

At a glance

The differences that matter most.

MiMo-V2.5-Pro
Xiaomi
Seed 2.1 Turbo
ByteDance
Core performance indexes
LLM Stats Score
25.7
#161
43.0
#48
Reasoning
24.1
#167
44.4
#37
Coding
32.6
#43
30.5
#53
Agents
23.8
#62
28.9
#44
Cost, coverage & limits
Benchmark wins
1 of 3
2 of 3
Input price
$0.43 / M
— / M
Output price
$0.87 / M
— / M
Context window
1,048,576
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

4 shared
Index
MiMo-V2.5-Pro
Seed 2.1 Turbo
Math
25.4#111
39.6#18
Tool use
23.1#40
19.3#62
Finance
20.7#80
30.8#22
Legal
17.2#93
32.4#14
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

31 reported for MiMo-V2.5-Pro · 90 for Seed 2.1 Turbo

3 shared

MiMo-V2.5-Pro outperforms in 1 benchmarks (SWE-Bench Pro), while Seed 2.1 Turbo is better at 2 benchmarks (Humanity's Last Exam, WildClawBench).

Seed 2.1 Turbo shows notably better performance in the majority of benchmarks.

Fri Oct 02 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only MiMo-V2.5-Pro specifies input context (1,048,576 tokens). Only MiMo-V2.5-Pro specifies output context (131,072 tokens).

Xiaomi
MiMo-V2.5-Pro
Input1,048,576 tokens
Output131,072 tokens
ByteDance
Seed 2.1 Turbo
Input- tokens
Output- tokens
Fri Oct 02 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Seed 2.1 Turbo supports multimodal inputs, whereas MiMo-V2.5-Pro does not.

Seed 2.1 Turbo can handle both text and other forms of data like images, making it suitable for multimodal applications.

MiMo-V2.5-Pro

Text
Images
Audio
Video

Seed 2.1 Turbo

Text
Images
Audio
Video

License

Usage and distribution terms

MiMo-V2.5-Pro is licensed under MIT, while Seed 2.1 Turbo uses a proprietary license.

License differences may affect how you can use these models in commercial or open-source projects.

MiMo-V2.5-Pro

MIT

Open weights

Seed 2.1 Turbo

Proprietary

Closed source

Release Timeline

When each model was launched

MiMo-V2.5-Pro was released on 2026-04-27, while Seed 2.1 Turbo was released on 2026-06-24.

Seed 2.1 Turbo is 2 months newer than MiMo-V2.5-Pro.

MiMo-V2.5-Pro

Apr 27, 2026

5 months ago

Seed 2.1 Turbo

Jun 24, 2026

3 months ago

1mo newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against MiMo-V2.5-Pro and Seed 2.1 Turbo side-by-side, then vote on the output you prefer.

MiMo-V2.5-Pro
✓ Preferred
Seed 2.1 Turbo
Open in Playground

FAQ

Common questions about MiMo-V2.5-Pro vs Seed 2.1 Turbo.

Which is better, MiMo-V2.5-Pro or Seed 2.1 Turbo?

Seed 2.1 Turbo leads the LLM Stats Score 43.0 to 25.7. MiMo-V2.5-Pro is made by Xiaomi and Seed 2.1 Turbo is made by ByteDance. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does MiMo-V2.5-Pro compare to Seed 2.1 Turbo in benchmarks?

MiMo-V2.5-Pro scores FrontierSWE (Impl.): 100.0%, GSM8k: 99.6%, ARC-C: 97.2%, MMLU-Redux: 92.8%, C-Eval: 91.5%. Seed 2.1 Turbo scores CharXiv-D: 94.6%, MathVision: 92.7%, MathVista: 90.5%, MathVerse: 89.2%, Video-MME: 89.0%.

What are the context window sizes for MiMo-V2.5-Pro and Seed 2.1 Turbo?

MiMo-V2.5-Pro supports 1.0M tokens and Seed 2.1 Turbo supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between MiMo-V2.5-Pro and Seed 2.1 Turbo?

Key differences include LLM Stats Score (25.7 vs 43.0), multimodal support (no vs yes), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes MiMo-V2.5-Pro and Seed 2.1 Turbo?

MiMo-V2.5-Pro is developed by Xiaomi and Seed 2.1 Turbo is developed by ByteDance.

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